Datasheet > HFDA801A

HFDA801A

更新时间： 2024-09-25 14:58:19

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
17页	340K
描述
4x80W digital input class-D automotive audio amplifier with Hi-Fi audio quality, advanced diagnostics, 2MHz switching frequency and High Resolution Bandwidth

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HFDA801A 数据手册

HFDA801A

Data brief

4 x 80 W digital input class-D automotive audio amplifier with Hi-Fi audio quality,

advanced diagnostics, 2 MHz switching frequency and high resolution bandwidth

Features

•

AEC-Q100 qualified

Integrated 120 dB D/A conversion

•

I²S and TDM digital input (up to 16 CH TDM)

Selectable input sample rate frequency (44.1/48/96/192 kHz)

Wide supply operating range: 4.5 V - 25 V (5 V min at turn-on transition)

PWM 2 MHz switching PWM:

LQFP64

(exposed pad up)

–

Reduced size and cost of output LC

•

High resolution bandwidth support:

–

Up to 40 kHz (I²S 96 kHz) with attenuation [0 dB, -2 dB]

Up to 80 kHz (I²S 192 kHz) with attenuation [0 dB, -2 dB]

•

4 I²C addresses

4 Ω, 2 Ω, 1 Ω driving with output channels parallelization

MOSFET power outputs allowing high output power capability:

–

Typ 4 x 30 W/4 Ω @ 14.4 V, 1 kHz THD = 10%

Typ 4 x 25 W/4 Ω @ 14.4 V, 1 kHz THD = 1%

Typ 4 x 50 W/2 Ω @ 14.4 V 1 kHz THD = 10 %

Typ 4 x 80 W/4 Ω @ 25 V, 1 kHz THD = 10 %

•

I²C full configurability and diagnostic:

–

4 x Thermal warning and average junction temperature measurement on

I²C (8 bits)

Product status link

HFDA801A

–

AC and DC diagnostic (independent of channel)

OCP protection scheme configurable (4 x OCP limit selectable)

Mute time configuration

Product summary

Order code

Package

Packing

DIM (digital impedance meter)

HFDA801A-

VYY

Tray

LQFP64

(exp. pad

up)

Feedback after filter configuration

•

Capability to run complete diagnostic in play:

HFDA801A-

VYT

Tape&Reel

–

Short to GND/VCC

DC offset detector

•

Extremely Low noise:

13 µV A-weighted; 20 kHz (high gain) typ

Very low THD:

–

0.02% at 1 W 1 kHz on 4 and 2 Ω loads typ

0.08% 20-20 kHz (full audio band) on 4 and 2 Ω loads (1 W)

•

CD/Diag pin (3 selectable CD thresholds)

•

Synchronization output pin (only with TDM input stream, on I²Sdata2)

Channel independent Mute/Play/Gain selection/Diagnostic

Real Time current monitor

Open Load in play

Battery load dump compatible (40 V)

DB4402 - Rev 2 - November 2022

For further information contact your local STMicroelectronics sales office.

www.st.com

12 3 4 5 6 7...17

中文翻译

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HFDI-2A-B(A)	HRS	获取价格	Fiber Optic Connector Adapter, Multi Mode, Duplex
HFDI-2A-B(M)	HRS	获取价格	Fiber Optic Connector Adapter, Multi Mode, Duplex
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HFDI-2P-D(B)	HRS	获取价格	Fiber Optic Networking Connector, 62.5/125um, Multi Mode, Duplex, Plug
HFDI-2P-D(M)(04)	HRS	获取价格	Fiber Optic Networking Connector, 62.5/125um, Multi Mode, Duplex, Plug
HFDI-2P-D(S)	HRS	获取价格	Fiber Optic Networking Connector, 62.5/125um, Multi Mode, Duplex, Plug
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